<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>变量1</title>
	<script type="text/javascript">
		var name='34534543';
		var age;
		var sex;
		age = 18;
		x='20';
		y=20;
		
		y=40;
		Y=50;
		sex='男';
		名字 = "学并思";
		orderId = 83945345345;
		order_id = 34534535;
		className = "PHP3班";
		alert(名字);



		// alert(age);

	</script>
</head>
<body>
	
</body>
</html>